The following error may be seen on a controller when viewing the ‘ipmitool sel elist’ output:
275 | 06/01/2022 | 20:33:53 | Power Unit Pwr Unit Status | AC lost | Asserted 276 | 06/01/2022 | 20:33:54 | Power Unit Pwr Unit Status | AC lost | Deasserted 277 | 06/01/2022 | 20:34:05 | System Event BIOS Evt Sensor | Timestamp Clock Sync | Asserted 278 | 06/01/2022 | 20:34:06 | System Event BIOS Evt Sensor | Timestamp Clock Sync | Asserted 279 | 06/01/2022 | 20:34:45 | System Event BIOS Evt Sensor | OEM System boot event | Asserted 27a | 06/01/2022 | 21:19:53 | Power Unit Pwr Unit Status | Power off/down | Asserted 27b | 06/01/2022 | 21:19:59 | Power Unit Pwr Unit Status | Power off/down | Deasserted 27c | 06/01/2022 | 21:20:12 | System Event BIOS Evt Sensor | Timestamp Clock Sync | Asserted 27d | 06/01/2022 | 21:20:12 | System Event BIOS Evt Sensor | Timestamp Clock Sync | Asserted 27e | 06/01/2022 | 21:20:51 | System Event BIOS Evt Sensor | OEM System boot event | Asserted 27f | 06/01/2022 | 21:53:43 | Power Unit Pwr Unit Status | Power off/down | Asserted 280 | 06/01/2022 | 21:53:49 | Power Unit Pwr Unit Status | Power off/down | Deasserted 281 | 06/01/2022 | 21:54:02 | System Event BIOS Evt Sensor | Timestamp Clock Sync | Asserted 282 | 06/01/2022 | 21:54:02 | System Event BIOS Evt Sensor | Timestamp Clock Sync | Asserted 283 | 06/01/2022 | 21:54:41 | System Event BIOS Evt Sensor | OEM System boot event | Asserted
This message is one of two you will see when the system is powered on, or power cycled.
Note in the above you also see “Power Unit Pwr Unit Status | Power off/down “